:root{--sidebar:#101828;--sidebar2:#182235;--accent:#2563eb;--bg:#f5f7fb;--card:#fff;--border:#e7eaf0}
body{background:var(--bg);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#1f2937}.app-shell{display:flex;min-height:100vh}.sidebar{width:270px;background:linear-gradient(180deg,var(--sidebar),var(--sidebar2));color:#fff;position:fixed;inset:0 auto 0 0;padding:18px;z-index:1030}.brand{font-weight:800;font-size:1.15rem;margin-bottom:22px}.sidebar .nav-link{color:#dbe4ff;border-radius:12px;padding:10px 12px;margin-bottom:4px;display:flex;gap:10px;align-items:center}.sidebar .nav-link:hover{background:rgba(255,255,255,.1);color:#fff}.nav-section{font-size:.75rem;text-transform:uppercase;color:#94a3b8;margin:16px 12px 7px}.main{margin-left:270px;width:calc(100% - 270px)}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:1000}.content{padding:24px}.card{border:1px solid var(--border);border-radius:18px;box-shadow:0 6px 22px rgba(15,23,42,.04)}.stat-card{padding:20px}.stat-card .num{font-size:2rem;font-weight:800}.table-card{overflow:hidden}.badge{font-weight:600}.auth-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top left,#e0edff,#f8fafc 45%,#eef2ff)}.auth-card{width:min(440px,92vw);background:#fff;border-radius:24px;box-shadow:0 24px 70px rgba(15,23,42,.12);padding:32px}.form-control,.form-select{border-radius:12px}.btn{border-radius:12px}.conflict-box{border-left:5px solid #f59e0b;background:#fffbeb;border-radius:14px;padding:14px}.conflict-box.block{border-left-color:#ef4444;background:#fef2f2}@media(max-width:991px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.show{transform:translateX(0)}.main{margin-left:0;width:100%}.content{padding:16px}.topbar{padding:0 14px}}